| Subject | Text |
| If anyone has some info on this amp please post a reply here
i also have one Prinzsound SA-5001
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| Service manual/help for TASCAM US-122 usb audio card | Hello to all
I have in repair a tascam us-122 audio card
The left channel is not working I have |
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| Which transistor blew? Was it a main output transistor or smaller one in the pre-amp stages? Why did |
| My manual says 'preamp' in exploded views and 'processor' in schematics. |
| onkyo TX-DS575X AV Receiver | This is a common problem with Onkyos. There are about 10 muting transistors located on the preamp bo |
| Thanks for the very good suggestions torbjorn.
Wish I could scope out some waveforms but my old s |
| [quote:483830b19d="Anonymous"]Do all of the powersupplies test within specifications? What do the ou |
| Sub-woofer hum | I have a pair of Atlantic Technology 352 PBM powered sub-woofers. They both developed the same prob |
| HELP stero repair | my first post, thanks for reading. i am repairing my bosses (i know!)vintage receiver, pioneer sx95 |
| Telefunken stereo green sensor button problem | Can anyone point me to a repair shop capable of repairing a Telefunken "electronic center 6001 |
| Re: onkyo TX-DS575X AV Receiver | [quote:847b137c3e="Lurker"]This is a common problem with Onkyos. There are about 10 muting transisto |
| Had the same problem, but AN 5270, dont seem to work as replacements, if you get one from a similar |
| It worked! =D | Quick update guys...
I've replaced IC302 (MC14052) - 4-ch multiplex and it worked! This IC functi |
| Guitar amp problem | Hi folks, don't know if anyone can help me but my problem is this:
I've got a Sessionette 75 guit |
| Here is a couple of schematics.
The yellow is the pcb for the lamps and all you need is two wires d |
| First off, sorry about all the double and triple posts. I've justmade another interesting find. Thee |
| No sound from a Sony MDP-V9K | I have an old Sony MDP-V9K Lazerdisk player with no sound, power and picture work fine.
It was bein |
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| [quote:fcb0f223cd="fongs"]Then u could be having a bad transistor, dying up capacitor or bad groundi |
| Sadly, no. The fault was an open circuit resistor in the preamp stage, probably from overdriving it. |
| [quote:1c2dcfd480="Anonymous"]Thanks for the reply! Yes, it does make a clicking sound when turning |
| Yamaha RX-V1065 DC PRT Fault | Stumped again . . .
Have a RX-V1065 with about -2.5V on emitters of output transistors, SBL chan |
| marshall 3530 bass guitar amplifer - need schematic or psb | Hello
I'd like to build this amplifer. I found something:
http://www.drtube.com/marshall.htm
(psu |
| LOOKING FOR MANUFACTURERS PART NUMBER | I'm looking for the manufacturers part number for an IC thats used in an Adcom tuner/preamp GTP-500/ |
| I am searching for NAKAMICHI user-manuals and service-manual | Hello,
I am searching for NAKAMICHI user-manuals and service-manuals for:
- NAKAMICHIA PA-7 AM |
| After a long break - has anybody pract. tips for disassembly | Hi again,
now I have: my Preamp sitting in front of me, the replacement GoldCap and no idea of ho |
| Harman Kardon AVR 325 No sound | I picked up an Harman Kardon AVR 325 Receiver.
Everything is working except for sound,
However the |
| help fix bosses stereo | my first post, thanks for reading. i am repairing my bosses (i know!)vintage receiver, pioneer sx950 |
| H/K AVR 25II - protect mode only with center channel | Hi,
First thanks for the tech manual/schematics! Wonderful start. I can sort of read schematics a |
| Philips 32PW6305/21 in standby -no CRT "gong"/RC/b | Philips 32PW6305/21 3years
Hi,
when switching to EXT1, TV went to standby, red power button.
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| Thanks Cogil!
I don't have glow on the CRT at the moment. I know very little about circuits invo |